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STATUS: INCOMPATIBLE ⬌ MATRIX CORRELATION INDEX

Can you keep Discus and Siamese Algae Eater together?

Algorithmically generated environmental and behavioral compatibility report.

DiscusSymphysodon aequifasciatus
mid Layerpeaceful
✕
incompatible
Siamese Algae EaterCrossocheilus oblongus
bottom Layerpeaceful
INCOMPATIBLE

Algorithmic Assessment

Water temperature envelopes clash. Discus requires 82-88°F, while Siamese Algae Eater requires 75-80°F. Coldwater/coolwater and tropical species cannot share the same environment.

Scientific Parameter Comparison

Cross-reference water chemistry, temperature range envelopes, and physical dimensions of Discus and Siamese Algae Eater.

Parameter MetricDiscusSiamese Algae EaterCalculated Overlap
Temperature Range82°F – 88°F75°F – 80°FNo Overlap (Mismatch: 2°F)
pH Chemistry5.0 – 6.56.5 – 7.56.5 – 6.5
Min. Tank Capacity50 Gallons30 Gallons50 Gallons (Minimum)
Aquatic Strata ZonemidbottomSeparated Layers
Adult Size (Max)8.0" (20 cm)6.0" (15 cm)Ratio: 1 : 1.3

⚠ Physiological Mismatch Report

Our stocking engine calculations indicate that putting these two species in the same tank causes acute physiological strain. Below are the calculated parameters that violate safe cohabitation ranges:

Temperature Deficit2.0°F gap

Discus requires 82-88°F, while Siamese Algae Eater needs 75-80°F.

Behavioral & Environmental Compatibility

⚔️ Do Discus and Siamese Algae Eater Fight?

Environmental or structural requirements between these species clash too heavily to allow cohabitation. Water temperature envelopes clash. Discus requires 82-88°F, while Siamese Algae Eater requires 75-80°F. Coldwater/coolwater and tropical species cannot share the same environment.

🍽️ Swimming Layers & Feeding Competition

To satisfy their dietary requirements, offer a varied feeding schedule. Sinking pellets or wafers are ideal for bottom dwellers, while floating flakes or micro-granules support mid and top dwellers. The Discus occupies the mid layer, while the Siamese Algae Eater occupies the bottom layer. This separation of swimming zones naturally minimizes direct interactions and reduces competition during feeding times.

📏 Size Difference & Predation Threat

Both species are closely matched in physical dimensions, with Discus growing to 8.0 inches and Siamese Algae Eater reaching 6.0 inches. This size balance ensures neither species holds a physical dominance advantage.

Safe Tankmate Alternatives for Discus

Since the pairing between Discus and Siamese Algae Eater is flagged as incompatible, here are 3 peaceful community tankmates that share a flawless compatibility profile with Discus and match similar water parameters:

Discusmid Layer
Scientific NameSymphysodon aequifasciatus
Min Tank Capacity50G
Aggressionpeaceful
Temp Envelope82°F - 88°F
pH Chemistry5.0 - 6.5
Scientific NameCrossocheilus oblongus
Min Tank Capacity30G
Aggressionpeaceful
Temp Envelope75°F - 80°F
pH Chemistry6.5 - 7.5

Chemistry & Habitat Analysis

Temp Envelope
No Overlap
Envelopes mismatch.
pH Chemistry
6.5 - 6.5
Shared safe pH bounds.
Combined Min Tank
50 Gallons
Lowest acceptable volume.

Frequently Asked Questions

Are Discus and Siamese Algae Eater good tank mates?

Water temperature envelopes clash. Discus requires 82-88°F, while Siamese Algae Eater requires 75-80°F. Coldwater/coolwater and tropical species cannot share the same environment.

Can you put Discus and Siamese Algae Eater in the same tank together?

Environmental or structural requirements between these species clash too heavily to allow cohabitation. Water temperature envelopes clash. Discus requires 82-88°F, while Siamese Algae Eater requires 75-80°F. Coldwater/coolwater and tropical species cannot share the same environment.

What water temperature and pH parameters do Discus and Siamese Algae Eater need?

Both species require compatible parameters. Discus needs a temperature of 82°F to 88°F and a pH of 5.0 to 6.5. Meanwhile, Siamese Algae Eater needs a temperature of 75°F to 80°F and a pH of 6.5 to 7.5. Shared overlap range: No safe temperature overlap temperature and 6.5–6.5 pH overlap.

What is the minimum combined tank volume required to house Discus and Siamese Algae Eater?

To successfully house both species together, the minimum baseline capacity is 50 gallons. Because both Discus and Siamese Algae Eater are peaceful community species, no extra territorial buffer volume is required.

Do Discus and Siamese Algae Eater occupy the same swimming layer?

These species occupy different vertical zones. Discus prefers the mid layer, while Siamese Algae Eater commands the bottom zone. This natural spatial stratification creates an effective biological barrier, preventing direct face-to-face boundary friction and reducing territorial encounters.